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2026-09-17 - 05:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Sep 17, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23648210796,7sleep00-21swapper/019:05:150
28207210696,7sleep20-21swapper/219:05:422
28410210595,7sleep10-21swapper/119:08:201
2849429888,7sleep30-21swapper/319:09:273
272692690,0sleep00-21swapper/000:20:000
3272680,0sleep30-21swapper/300:07:093
200952640,0sleep10-21swapper/100:01:181
127612630,0sleep312764-21gltestperf22:50:143
55562580,0sleep10-21swapper/121:23:561
320132580,0sleep232019-21kthreadcore23:25:182
255362580,1sleep30-21swapper/323:35:413
71442570,1sleep120-21rcuc/121:25:001
111212560,0sleep20-21swapper/220:15:212
225892550,0sleep00-21swapper/022:11:460
249252540,1sleep20-21swapper/200:05:002
116092540,0sleep00-21swapper/023:30:170
260212530,0sleep026026-21kthreadcore22:00:160
226912520,0sleep30-21swapper/321:59:083
2870199340,32cyclictest0-21swapper/221:00:112
2870199292,4cyclictest29-21rcuc/221:10:012
2869899270,26cyclictest0-21swapper/123:34:451
2869899270,26cyclictest0-21swapper/122:36:261
2869899270,26cyclictest0-21swapper/121:59:171
2869899270,26cyclictest0-21swapper/120:57:121
2869899270,26cyclictest0-21swapper/120:19:241
2869899270,26cyclictest0-21swapper/120:03:551
2869899270,26cyclictest0-21swapper/100:39:061
2869899260,25cyclictest0-21swapper/122:54:411
2869899260,25cyclictest0-21swapper/100:06:341
28701992517,6cyclictest0-21swapper/221:49:422
2870199250,24cyclictest0-21swapper/220:22:062
2870199250,24cyclictest0-21swapper/219:49:392
28698992512,8cyclictest0-21swapper/122:25:111
2869899250,24cyclictest0-21swapper/122:40:321
2869899250,24cyclictest0-21swapper/122:12:401
2870199242,21cyclictest0-21swapper/200:23:052
28701992418,5cyclictest11302-21/usr/sbin/munin19:50:242
28698992422,2cyclictest0-21swapper/120:21:361
28698992422,2cyclictest0-21swapper/100:26:551
2869899240,23cyclictest0-21swapper/100:21:571
2869899240,18cyclictest0-21swapper/122:04:131
2869899240,18cyclictest0-21swapper/100:18:091
2869499240,23cyclictest0-21swapper/023:58:550
2869499240,23cyclictest0-21swapper/022:05:260
2869499240,23cyclictest0-21swapper/000:38:070
2870199230,3cyclictest0-21swapper/200:10:102
2870199230,23cyclictest0-21swapper/219:32:182
2870199230,22cyclictest0-21swapper/223:51:282
2870199230,22cyclictest0-21swapper/223:49:152
2870199230,22cyclictest0-21swapper/223:19:392
2870199230,18cyclictest0-21swapper/221:31:422
2870199230,17cyclictest0-21swapper/221:19:262
2870199230,17cyclictest0-21swapper/200:07:272
2870199230,16cyclictest0-21swapper/221:42:222
2869899232,20cyclictest0-21swapper/123:50:351
2869899232,20cyclictest0-21swapper/121:32:301
28698992321,2cyclictest0-21swapper/120:12:191
28698992316,6cyclictest0-21swapper/122:30:081
28698992315,7cyclictest0-21swapper/123:28:341
2869899230,22cyclictest0-21swapper/123:55:571
2869899230,22cyclictest0-21swapper/123:48:391
2869899230,22cyclictest0-21swapper/123:08:421
2869899230,22cyclictest0-21swapper/123:00:421
2869899230,22cyclictest0-21swapper/122:22:061
2869899230,22cyclictest0-21swapper/121:37:211
2869899230,22cyclictest0-21swapper/121:05:171
2869899230,22cyclictest0-21swapper/119:37:061
2869899230,22cyclictest0-21swapper/100:34:361
2869899230,17cyclictest0-21swapper/123:12:021
2869899230,17cyclictest0-21swapper/122:08:491
2869899230,17cyclictest0-21swapper/121:44:531
2869899230,17cyclictest0-21swapper/100:13:231
2869499230,22cyclictest0-21swapper/023:48:010
2869499230,22cyclictest0-21swapper/023:27:130
2869499230,22cyclictest0-21swapper/023:24:510
2869499230,22cyclictest0-21swapper/023:09:200
2869499230,22cyclictest0-21swapper/022:51:470
2869499230,22cyclictest0-21swapper/022:29:010
2869499230,22cyclictest0-21swapper/021:31:550
2869499230,22cyclictest0-21swapper/021:23:040
2869499230,22cyclictest0-21swapper/021:14:530
2869499230,22cyclictest0-21swapper/000:30:340
2869499230,22cyclictest0-21swapper/000:27:160
2869499230,21cyclictest0-21swapper/000:03:520
2869499230,18cyclictest0-21swapper/000:20:480
2869499230,16cyclictest0-21swapper/022:20:320
307322220,0sleep20-21swapper/221:20:172
2870199227,10cyclictest0-21swapper/200:25:112
2870199222,19cyclictest0-21swapper/223:38:392
2870199222,19cyclictest0-21swapper/223:03:432
2870199222,19cyclictest0-21swapper/222:11:542
28701992215,6cyclictest0-21swapper/223:09:002
2870199221,20cyclictest0-21swapper/222:43:282
2870199221,20cyclictest0-21swapper/200:17:492
2870199220,21cyclictest0-21swapper/223:11:092
2870199220,21cyclictest0-21swapper/222:38:502
2870199220,21cyclictest0-21swapper/222:06:032
2870199220,21cyclictest0-21swapper/221:57:352
2870199220,21cyclictest0-21swapper/221:37:372
2870199220,21cyclictest0-21swapper/221:26:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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